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2021
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Invention
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Auger screen with adjustable length press zone. A dewatering device for removing entrained solids... |
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Invention
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Auger screen with adjustable length press zone. Abstract [0032) A dewatering device for removing ... |
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2020
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Invention
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Methods for cleaning filtration system media. The present disclosure provides improved methods fo... |
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Invention
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Bar screen filter apparatus and method. An apparatus for removing debris from water in a channel ... |
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P/S
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Integrated nitrification process using attached growth media, namely, Moving Bed Biofilm Reactor ... |
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P/S
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Chain reaction device used to hold chain and rakes into the bar rack on a vertical unit in the na... |
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P/S
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Deflector used to help create the initial movement of solids on the rakes and scrapers during the... |
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P/S
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Bioreactor for use in the treatment of wastewater |
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2018
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Invention
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Bar screen filter apparatus and method. Apparatus for removing debris from channeled water that i... |
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P/S
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process control instrumentation and parts therefore, namely, computer software, hardware and elec... |
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Invention
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Perforated screen conversion kit. A wastewater filter conversion kit for replacing filter element... |
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2017
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Invention
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Method and apparatus for separating solid impurities from a fluid.
The disclosed method and appa... |
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P/S
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Water filtering apparatus |
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Invention
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Removing solids from a flowing fluid using a care-free pumped or gravity flow rotating drum scree... |
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Invention
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Improved methods for cleaning filtration system media. The present disclosure provides improved m... |
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2016
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P/S
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Electrical integrated control systems for use in treatment plants for the removal of contaminants... |
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2015
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Invention
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Wastewater treatment apparatus with dual-level control. A dual-level control system for operating... |
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Invention
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Wastewater treatment apparatus with dual-level control.
A dual-level control system for operatin... |
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Invention
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Wastewater treatment apparatus with dual-level control, dual-level control system and treatment p... |
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2014
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Invention
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Method and apparatus for separating solid impurities from a fluid. The disclosed method and appar... |
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Invention
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Apparatus for treating liquid containing impurities.
An apparatus for treating a liquid containi... |
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Invention
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Method and apparatus for treating liquid containing impurities. A method and an apparatus for tre... |
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2013
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P/S
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Water treatment equipment and parts therefor for use in treatment plants for the removal of conta... |
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P/S
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Water treatment equipment and parts therefor, namely, headworks and separation equipment, equipme... |
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P/S
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Equipment and parts therefor for use in treatment plants for the removal of contaminants included... |
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Invention
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Care-free pumped flow rotating drum screen. A pumped or gravity flow rotating drum screen removes... |
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Invention
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Filtering apparatus for removing solid material from a fluid in a channel. A filtering apparatus ... |
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Invention
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Care-free pumped or gravity flow rotating drum screen with stationary stabilization pad assemblie... |
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Invention
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Filtering apparatus for removing solid material from a fluid in a channel.
A filtering apparatus... |
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2012
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Invention
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Liftable aeration assembly and methods of placing an aeration assembly into a receptacle.
The di... |
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2011
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P/S
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Ultrasonic sensors and control units for use in sand filtration systems used in water and wastewa... |
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2010
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P/S
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Waste and wastewater treatment apparatus, namely, gravity settlers for liquid and solids separati... |
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P/S
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Ultrasonic sensors and control units used for the monitoring and control of sand movement in sand... |
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P/S
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Continuous sand filter for water purification using an intermittent and programmable air lift sys... |
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P/S
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Continuous sand filter for domestic and industrial use for water purification using an intermitte... |
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P/S
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Wastewater treatment apparatus, namely, washing and dewatering screw press to separate putrescibl... |
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Invention
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Method and computer program product for treating liquid containing impurities. A method and a com... |
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Invention
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Apparatus for treating liquid containing impurities. An apparatus for treating a liquid containin... |
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Invention
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Flexible aeration panel and methods of use. A flexible aeration panel is described, which does no... |
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Invention
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Denitrification process. The disclosed process and system are used for the denitrification of was... |
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Invention
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Method and apparatus for washing sand. A sand washing apparatus may be used for separating organi... |
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Invention
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Denitrification system. The disclosed process and system are used for the denitrification of wast... |
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2008
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Invention
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Wastewater denitrification system. eff. |
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Invention
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Biological nutrient removal process and process control for same. The present disclosure describe... |
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Invention
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Modular filter and vacuum head assembly for a filtering apparatus. The disclosed modular filter m... |
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Invention
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Process for filtering a fluid with a compressible filtration media. 2·min), at a bed compression ... |
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Invention
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Drain-flush sequence and system for filter module. The disclosed system and apparatus can be used... |
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2007
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Invention
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Method and apparatus for removing impurities in rejects from sequential filters using separate tr... |
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Invention
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Method and apparatus for washing sand. A disclosed sand washing apparatus may be used for separat... |
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Invention
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Drain-flush sequence and system for filter module.
The disclosed system and apparatus can be use... |
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2006
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Invention
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Biological nutrient removal process and process control system for same. The present disclosure d... |
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2005
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P/S
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Air piping manifold.
Blowers, sludge removers.
Rakes.
Aeration chains made of hose and float asse... |
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P/S
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mechanical equipment for the removal of settled sludge in water and wastewater treatment |
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2004
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P/S
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Modular filtration system for the treatment of water and wastewater in municipal and industrial a... |
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P/S
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modular filtration system for the treatment of water and wastewater in municipal and industrial a... |
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2001
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P/S
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MEMBRANE TYPE AIR DIFFUSERS FOR WASTEWATER TREATMENT |
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P/S
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Panel-configured aeration diffuser used in wastewater treatment systems |
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1998
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P/S
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Waste water treatment system and parts therefor for the removal of solid contaminants included in... |
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1995
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P/S
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air diffuser used in wastewater treatment systems |
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P/S
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waste water treatment plants and parts therefor for the removal of solid contaminants included in... |
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1994
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P/S
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Wastewater treatment apparatus, namely, a dewatering press for solids. |
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P/S
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Rotary self-cleaning solids recovery screens. |
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P/S
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Wastewater treatment apparatus for solids, screening, and washing by means of a pump impeller ins... |
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P/S
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Wastewater treatment apparatus, namely, an open-channel municipal and industrial wastewater presc... |
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P/S
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machine for use in a waste water treatment system for the reduction of biological solid waste to ... |
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1993
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P/S
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wastewater treatment apparatus; namely, a dewatering press for solids |
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P/S
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self-contained wastewater treatment apparatus for solids screening and washing by means of a pump... |
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P/S
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wastewater treatment apparatus for solids, screening, and washing by means of a pump impeller ins... |
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P/S
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wastewater treatment apparatus; namely, a self-contained municipal and industrial wastewater pres... |
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1992
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P/S
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wastewater treatment apparatus; namely, conveyors used to transport municipal and industrial pulp... |
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P/S
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wastewater treatment apparatus; namely, an open-channel municipal and industrial wastewater presc... |
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P/S
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combination septage receiving station and sand separator |
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1991
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P/S
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machines for de-watering and compressing solids which have been screened from a wastewater stream |
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1990
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P/S
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Self-cleaning bar filter screen designed to remove floating and suspended materials from moving l... |
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P/S
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Sand filters. |
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1988
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P/S
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WASTE WATER TREATMENT PLANTS AND PARTS THEREFOR FOR THE TREATMENT OF LIQUID AND SOLID CONTAMINANT... |
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1987
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P/S
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MECHANICAL EQUIPMENT, NAMELY, A FILTER SCREEN WHICH REMOVES SUSPENDED AND SOLID MATERIALS FROM A ... |
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P/S
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AERATION CHAINS MADE OF HOSE AND FLOAT ASSEMBLIES WHICH SUPPORT FINE BUBBLE DIFFUSERS; AIR PIPING... |
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1983
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P/S
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Solids/liquid separating devices, namely settlers, separators, clarifiers and thickeners. |
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P/S
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Drum Screen for Separating Liquids and Solids |
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1982
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P/S
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Rotary Self-Cleaning Solids Recovery Screens |
